From c328c188b8264cff70965ab3c631de5f9ecc4f14 Mon Sep 17 00:00:00 2001
From: Christoph Urlacher <christoph.urlacher@protonmail.com>
Date: Tue, 24 Mar 2026 11:31:56 +0100
Subject: [PATCH] Lib/Networking: Add option to configure route-less addresses

---
 lib/networking.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/networking.nix b/lib/networking.nix
index 72db9a03..95b72ae3 100644
--- a/lib/networking.nix
+++ b/lib/networking.nix
@@ -43,6 +43,8 @@
     routers,
     nameservers,
     routable,
+    # Extra addresses declared without creating routes (e.g. IPv6 ULA).
+    extraAddresses ? [],
   }: {
     enable = true;
 
@@ -56,7 +58,8 @@
     address = ips;
     gateway = routers;
     dns = nameservers;
-    routes = builtins.map (r: {Gateway = r;}) routers; # TODO: We need to add a way to specify addresses without routes (IPv6 ULA)
+    routes = builtins.map (r: {Gateway = r;}) routers;
+    addresses = builtins.map (a: {Address = a;}) extraAddresses;
 
     # See man systemd.network
     networkConfig = {